Article
Heritability of Schneider's first-rank symptoms
1 Jan 2002
Abstract excerpt
BACKGROUND: Schneider's first-rank symptoms are given particular weight when making a diagnosis of schizophrenia, but the nuclear syndrome, characterised by one or more first-rank symptoms, has been found previously to have no heritability. AIMS: To estimate the heritability of the nuclear syndrome. METHOD: A total of 224 twin pairs (106 monozygotic, 118 same-gender dizygotic) were ascertained from the Maudsley...
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